Holts Summit, MO is a city located in Callaway County, Missouri and has a land area of 58.10 square miles (150.48 km2). The water area for the city is 1.01 square miles or 2.62 km2. There is one unique zip code in Holts Summit, Missouri and it is 65043. The area code(s) for Holts Summit is 573.
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